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  Experimental evolution of parasitic host manipulation

Hafer-Hahmann, N. (2019). Experimental evolution of parasitic host manipulation. Proceedings of the Royal Society B: Biological Sciences, 286(1895): 20182413. doi:10.1098/rspb.2018.2413.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-6E1C-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-6E1D-3
Genre: Journal Article

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rspb.2018.2413.pdf (Publisher version), 515KB
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 Creators:
Hafer-Hahmann, Nina1, Author              
Affiliations:
1Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              

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Free keywords: response to selection, experiemental selection, energetic costs, host manipulation, Schistocephalus solidus, extended phenotype
 Abstract: Host manipulation is a parasite-induced alteration of a host's phenotype that increases parasite fitness. However, if genetically encoded in the parasite, it should be under selection in the parasite. Such host manipulation has often been assumed to be energetically costly, which should restrict its evolution. Evidence of such costs, however, remains elusive. The trophically transmitted cestode Schistocephalus solidus manipulates the activity of its first intermediate copepod host to reduce its predation susceptibility before the parasite is ready for transmission. Thereafter, S. solidus increases host activity to facilitate transmission to its subsequent fish host. I selected S. solidus for or against host manipulation over three generations to investigate the evolvability of manipulation and identify potential trade-offs. Host manipulation responded to selection, confirming that this trait is heritable in the parasite and hence can present an extended phenotype. Changes in host manipulation were not restrained by any obvious costs.

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Language(s): eng - English
 Dates: 2018-10-262019-01-082019-01-302019-01
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1098/rspb.2018.2413
PMID: 30963953
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Title: Proceedings of the Royal Society B: Biological Sciences
  Abbreviation : Proc. R. Soc. B
Source Genre: Journal
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Publ. Info: London : Royal Society
Pages: 8 Volume / Issue: 286 (1895) Sequence Number: 20182413 Start / End Page: - Identifier: ISSN: 0962-8452
CoNE: https://pure.mpg.de/cone/journals/resource/110975500577295_2